Motorola H371 Bluetooth v2.0 Headset (Black) Motorola H371 Bluetooth v2.0 Headset General Features: Color: Black Small and lightweight Built-in Lithium-Ion rechargeable battery Bluetooth version 2.0 In-ear ear-bud (with over-the-ear mount) design Transmission Range: up to 30 feet Mini USB charging port Two (2) volume control buttons Talk Time: up to approximately 6 hours Standby Time: up to approximately 200 hours - 8 days